94 lines
2.9 KiB
C
94 lines
2.9 KiB
C
/* $NetBSD: if_mcvar.h,v 1.7 2003/04/09 01:54:44 thorpej Exp $ */
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/*-
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* Copyright (c) 1997 David Huang <khym@bga.com>
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. The name of the author may not be used to endorse or promote products
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* derived from this software without specific prior written permission
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*
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* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
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* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
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* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
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* IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
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* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
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* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
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* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
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* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*
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*/
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/* XXX this file depends on opt_ddb.h */
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#ifdef DDB
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#define integrate
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#define hide
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#else
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#define integrate static __inline
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#define hide static
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#endif
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#define MC_REGSPACING 16
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#define MC_REGSIZE MACE_NREGS * MC_REGSPACING
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#define MACE_REG(x) ((x)*MC_REGSPACING)
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#define NIC_GET(sc, reg) (bus_space_read_1((sc)->sc_regt, \
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(sc)->sc_regh, MACE_REG(reg)))
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#define NIC_PUT(sc, reg, val) (bus_space_write_1((sc)->sc_regt, \
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(sc)->sc_regh, MACE_REG(reg), (val)))
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#ifndef MC_RXDMABUFS
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#define MC_RXDMABUFS 4
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#endif
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#if (MC_RXDMABUFS < 2)
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#error Must have at least two buffers for DMA!
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#endif
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#define MC_NPAGES ((MC_RXDMABUFS * 0x800 + PAGE_SIZE - 1) / PAGE_SIZE)
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struct mc_rxframe {
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u_int8_t rx_rcvcnt;
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u_int8_t rx_rcvsts;
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u_int8_t rx_rntpc;
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u_int8_t rx_rcvcc;
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u_char *rx_frame;
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};
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struct mc_softc {
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struct device sc_dev; /* base device glue */
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struct ethercom sc_ethercom; /* Ethernet common part */
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#define sc_if sc_ethercom.ec_if
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struct mc_rxframe sc_rxframe;
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u_int8_t sc_biucc;
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u_int8_t sc_fifocc;
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u_int8_t sc_plscc;
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u_int8_t sc_enaddr[6];
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u_int8_t sc_pad[2];
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int sc_havecarrier; /* carrier status */
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void (*sc_bus_init) __P((struct mc_softc *));
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void (*sc_putpacket) __P((struct mc_softc *, u_int));
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bus_space_tag_t sc_regt;
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bus_space_handle_t sc_regh;
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u_char *sc_txbuf, *sc_rxbuf;
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int sc_txbuf_phys, sc_rxbuf_phys;
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int sc_tail;
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int sc_rxset;
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int sc_txset, sc_txseti;
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};
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int mcsetup __P((struct mc_softc *, u_int8_t *));
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void mcintr __P((void *arg));
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void mc_rint __P((struct mc_softc *sc));
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u_char mc_get_enaddr __P((bus_space_tag_t t, bus_space_handle_t h,
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bus_size_t o, u_char *dst));
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